Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Houve 68 partidas de futebol de campeonato jogadas no Chester Road North Ground.
 ###Tabelas: CREATE TABLE managers (managers_id AUTO_INCREMENT PRIMARY KEY, Manager VARCHAR, Years VARCHAR, Games INT, Wins INT, Losses INT) CREATE TABLE club_world_cup_finalists_by_nation (club_world_cup_finalists_by_nation_id AUTO_INCREMENT PRIMARY KEY, Nation VARCHAR, Finalists INT, Winners INT, Runners-up INT, % won INT, Years won VARCHAR) CREATE TABLE league_champions_and_major_awards (league_champions_and_major_awards_id AUTO_INCREMENT PRIMARY KEY, Year INT, League Champion VARCHAR, Best Blocker VARCHAR, Rookie of the Year VARCHAR, C.A.N.T.S.L.E.E.P. Award VARCHAR) CREATE TABLE grounds (grounds_id AUTO_INCREMENT PRIMARY KEY, Name of ground VARCHAR, Location VARCHAR, First-class span VARCHAR, Worcs f-c matches INT, List A span VARCHAR, Worcs LA matches INT) CREATE TABLE u.s._presidents (u.s._presidents_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Deceased Spouse VARCHAR, Cause of Death VARCHAR, Date of Spouses Death VARCHAR, Length of Marriage VARCHAR, Children Together VARCHAR, Current Marital Status VARCHAR)  
SELECT Worcs f-c matches FROM grounds WHERE Name of ground = Chester Road North Ground